CN201661295U - Gas hydrate reservoir physical property measuring device - Google Patents
Gas hydrate reservoir physical property measuring device Download PDFInfo
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- CN201661295U CN201661295U CN2010201278276U CN201020127827U CN201661295U CN 201661295 U CN201661295 U CN 201661295U CN 2010201278276 U CN2010201278276 U CN 2010201278276U CN 201020127827 U CN201020127827 U CN 201020127827U CN 201661295 U CN201661295 U CN 201661295U
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- gas hydrates
- hydrate reservoir
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Abstract
The utility model provides a gas hydrate reservoir physical property measuring device, which can generate a large amount of even gas hydrates and is used for measuring the physical property parameters of a gas hydrate reservoir. In the process of generating the gas hydrates in a reaction kettle, the reaction kettle rotates to ensure that the quantity of the generated gas hydrates is large and the generated gas hydrates are even. A sound wave transmitting probe is used for transmitting sound wave which is enabled to pass through the generated hydrate reservoir and a data acquisition system is used for acquiring the propagation speed of sound wave in the hydrate reservoir and the relevant required data, thereby reaching the goal of measuring the hydrate reservoir physical property parameters including mechanical parameters such as Poisson ratio and Young modulus, and electric properties such as resistivity.
Description
Technical field
The utility model relates to a kind of experimental facilities, especially for the experimental facilities that generates gas hydrates and its reservoir physical parameter is measured.
Background technology
Along with the consumption of petroleum resources, the human great crises that will face petroleum resources in later stage 21 century.Gas hydrates are favored by the scientist of countries in the world as a kind of alternative energy source.
The gas hydrates burning only produces carbon dioxide and water, do not pollute the environment, and be a kind of rare clean energy.Importantly, the reserves of gas hydrates are very abundant.According to the stable condition analysis that gas hydrates exist, the area of land 20.7% and big ocean floor 90% has the advantage that forms gas hydrates, estimates that in view of the above the methane carbon content in the global gas hydrates reaches 10
15Kg or contain 20 * 10
15m
3Methane gas, be equivalent to the twice of conventional fossil fuel total carbon reserves such as the known coal in the whole world, oil and natural gas.
The mensuration of gas hydrates reservoir physical parameter is significant to the exploitation of gas hydrates, and analogue experiment installation commonly used is at present measured the rerum natura of gas hydrates reservoir, and the most experiments device is designed to one-dimensional model, and size is less.It is of a size of φ 71 * 130mm the experimental assembly of the U.S. geology bureau that experiment is adopted as Winters, belongs to the reaction vessel of reduced size.The gas hydrates simulated experiment monitoring system volume of China Qingdao Inst of Marine Geology also has only 1L.Small size hydrate experimental facilities has increased the contingency that experimental data is gathered, and hydrate generates the back and distribute in reservoir and be difficult to evenly, and is with actual hydrate reservoir original place occurrence difference bigger.
Summary of the invention
The purpose of this utility model is that a kind of gas hydrates reservoir properties measurement mechanism will be provided, this device can be simulated growing amount gas hydrates greatly and uniformly, and be used to measure the physical parameter of gas hydrates reservoir, for the research of exploitation of gas hydrates process provides technical support.
The purpose of this utility model realizes by following technical scheme:
Sound wave emissions probe and sound wave receiving transducer are installed respectively at the two ends of autoclave, along plug geometric center symmetric arrangement two pairs of electrodes are arranged, be used for measuring the resistance variations of different depth simulating hydrate reservoir at the sound wave receiving terminal of reactor.Sound wave emissions is connected with data collecting system by lead with receiving transducer and electrode, data acquisition system adopted Fluk hydra series data collector.The sound wave emissions end of reactor also is connected to gas flowmeter, another termination surge tank and gas bomb of flow meter.Sound wave receiving terminal at reactor is connected to a back-pressure valve and two high-pressure pumps, and wherein back-pressure valve links to each other with another gas flowmeter, and one of them high-pressure pump then links to each other with simulated seawater.Reactor is the main part of this experimental facilities, is made up of three layers of cylinder that interior China and foreign countries seal mutually, and wherein internal layer is a reaction compartment, in fill out quartz sand, layer and rubber sleeve separation layer between the internal layer are pressed for ring in the intermediate layer, skin is the temperature key-course, for the freezing liquid circulation; The outermost of reactor is an insulation layer.The middle part of reactor is connected with support by bearing and is rack-mount, can make reactor carry out 360 ° of rotations and also can fix at an arbitrary position.
Generate earlier gas hydrates during experiment in reactor, in the process that hydrate generates, the revolving reaction still makes the hydrate amount of generation big and even.Launch sound wave by the sound wave emissions probe again, and utilize data collecting system to gather the information of sound wave and electrode, thereby ask for the physical parameters such as mechanics parameter poisson's ratio, young's modulus of elasticity and electrology characteristic resistivity of gas hydrates reservoir.
The beneficial effects of the utility model are: the device volume is big, belongs to little 3-D natural gas hydrate analogue experiment installation, and the rerum natura of reservoir is measured in observation that can be more macroscopical, obtains average experimental data.The middle part design of reactor has bearing, can make reactor carry out 360 ° of rotations also can fix at an arbitrary position, can make gas hydrates in porous media, generate more evenly like this, reduce gas-water separation, thereby make the experimental data that records more accurate; Can vertically measure sonic data, therefore the resistivity data of radial measurement different depth belongs to three-dimensional devices.
Description of drawings:
Fig. 1 is the structural representation of the gas hydrates reservoir properties measurement mechanism that proposes according to the utility model.
Among the figure, the 1-reactor; 2-sound wave emissions probe; The 3-gas flowmeter; The 4-valve; The 5-surge tank; The 6-gas bomb; The 7-support; The 8-data collecting system; The 9-insulation layer; The 10-confined pressure; The 11-high-pressure pump; The 12-high-pressure pump; The 13-simulated seawater; 14-gas-liquid separation batchmeter; The 15-gas flowmeter; The 16-back-pressure valve; 17-sound wave receiving transducer; The 18-rubber sleeve; The 19-electrode; The 20-sandpack column; The 21-bearing.
The specific embodiment:
Further describe the utility model below in conjunction with drawings and Examples.
As shown in Figure 1, autoclave 1 is installed on support 7, sound wave emissions probe 2 and sound wave receiving transducer 17 are installed respectively at the two ends of reactor 1, sound wave receiving terminal at reactor is furnished with the different long and short two that fathoms to electrode 19 apart from plug geometric center different azimuth, along being symmetrically distributed apart from the about 3cm of plug geometric center (plug diameter 12cm), wherein a pair of long electrode probes into reaction chamber 17cm, a pair of noncontinuous electrode probes into reaction chamber 5cm, the about 35cm of reaction chamber length, electrode 19 is used for measuring the resistance variations of different depth simulating hydrate reservoir.Sound wave emissions probe 2 is connected data collecting system 8 employing Fluk hydra series data collectors with sound wave receiving transducer 17 and electrode 19 with data collecting system 8 by lead.The sound wave emissions end of reactor 1 also is connected to gas flowmeter 3, another termination surge tank 5 and the gas bomb 6 of flow meter.Sound wave receiving terminal at reactor 1 is connected to a back-pressure valve 16 and two high- pressure pumps 11,12, and wherein back-pressure valve 16 links to each other with gas flowmeter 15, and one of them high-pressure pump 12 then links to each other with simulated seawater 13.Autoclave is the main part of this experimental facilities, form by three layers of cylinder that interior China and foreign countries seal mutually, wherein internal layer is a reaction compartment, in fill out quartz sand, layer is pressed for ring in the intermediate layer, and rubber sleeve 18 separation layers between the internal layer, and skin is the temperature key-course, for the freezing liquid circulation, the outermost of reactor is an insulation layer 9.The middle part of reactor 1 is installed on the support 7 by bearing 21, can make reactor carry out 360 ° of rotations and also can fix at an arbitrary position.
When experimentizing, with distilled water reactor 1 is cleaned up earlier, also use the distilled water rinsing clean with sand, in the internal layer of the reactor 1 of packing into after drying experiment.Inject 3%Nacl solution as simulated seawater 13 by high-pressure pump 12, utilize high-pressure pump 11 to be forced into the required pressure of experiment.Temperature required by insulation layer 9 regulating system temperature to testing, after the question response still temperature balance, in reactor 1, inject natural gas through surge tank 5 and flow meter 3, open reactor 1 other end valve simultaneously from gas cylinder 6, emit a part of solution, it is constant to keep reacting kettle inner pressure.After treating that system temperature is stable, slowly cooling, continuous revolving reaction still 1 in this process, conditioned reaction still gradient is fully dissolved natural gas and is made the hydrate generative process even.Reactor pressure be reduced under the methane hydrate identical experiment temperature institute below the corresponding pressure after, methane hydrate is regeneration not.Refill 3%Nacl solution, make reactor pressure rise to initial value, receive sound wave by transmitting probe 2 emission sound waves and receiving transducer 17 again, utilize data collecting system 8 to gather the information of SVEL and electrode 19 in the reactors, and then try to achieve reservoir physical parameter and comprise mechanics parameter poisson's ratio, young's modulus of elasticity and electrology characteristic resistivity etc.
Claims (3)
1. gas hydrates reservoir properties measurement mechanism, mainly comprise reactor, water bath with thermostatic control, temperature and pressure measuring instruments, ultrasonic wave generation receiver and data collecting system, it is characterized in that: sound wave emissions probe and sound wave receiving transducer are installed respectively at the two ends of autoclave, sound wave receiving terminal at reactor has two pairs of electrodes along plug geometric center symmetric arrangement, be used for measuring the resistance variations of different depth simulating hydrate reservoir, sound wave emissions is connected with data collecting system by lead with receiving transducer and electrode, the sound wave emissions end of reactor also is connected to gas flowmeter, another termination surge tank and gas bomb of flow meter; Sound wave receiving terminal at reactor is connected to a back-pressure valve and two high-pressure pumps, and wherein back-pressure valve links to each other with another gas flowmeter, and one of them high-pressure pump then links to each other with simulated seawater; Reactor is made up of three layers of cylinder that interior China and foreign countries seal mutually, and wherein internal layer is a reaction chamber, in fill out quartz sand, layer is pressed for ring in the intermediate layer, and rubber sleeve separation layer between the internal layer, skin be the temperature key-course, supplies freezing liquid to circulate, the outermost of reactor is an insulation layer.
2. gas hydrates reservoir properties measurement mechanism according to claim 1 is characterized in that: data acquisition system adopted Fluk hydra series data collector.
3. gas hydrates reservoir properties measurement mechanism according to claim 1 is characterized in that: the middle part of reactor is connected with support by bearing and is rack-mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201278276U CN201661295U (en) | 2010-03-05 | 2010-03-05 | Gas hydrate reservoir physical property measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201278276U CN201661295U (en) | 2010-03-05 | 2010-03-05 | Gas hydrate reservoir physical property measuring device |
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| CN201661295U true CN201661295U (en) | 2010-12-01 |
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| CN2010201278276U Expired - Fee Related CN201661295U (en) | 2010-03-05 | 2010-03-05 | Gas hydrate reservoir physical property measuring device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279316A (en) * | 2011-06-09 | 2011-12-14 | 青岛石大石仪科技有限责任公司 | Sensor for measuring resistivity of natural gas hydrate in porous medium |
| CN103397879A (en) * | 2013-08-14 | 2013-11-20 | 中国石油大学(华东) | Reservoir parameter measurement system and method based on streaming potential |
| CN103424532A (en) * | 2012-05-22 | 2013-12-04 | 青岛海洋地质研究所 | Experiment device for researching structural characteristics of hydrate-containing deposit velocity profile |
| CN107976351A (en) * | 2017-11-27 | 2018-05-01 | 大连理工大学 | A kind of ocean gas hydrate core remodeling device and method |
| CN109655373A (en) * | 2018-12-25 | 2019-04-19 | 国家地质实验测试中心 | Gas hydrates reservoir original position property parameter simulation test macro and method |
| CN114082370A (en) * | 2021-11-22 | 2022-02-25 | 西南石油大学 | Rotary multiphase flow hydrate generation experimental device |
-
2010
- 2010-03-05 CN CN2010201278276U patent/CN201661295U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279316A (en) * | 2011-06-09 | 2011-12-14 | 青岛石大石仪科技有限责任公司 | Sensor for measuring resistivity of natural gas hydrate in porous medium |
| CN103424532A (en) * | 2012-05-22 | 2013-12-04 | 青岛海洋地质研究所 | Experiment device for researching structural characteristics of hydrate-containing deposit velocity profile |
| CN103397879A (en) * | 2013-08-14 | 2013-11-20 | 中国石油大学(华东) | Reservoir parameter measurement system and method based on streaming potential |
| CN107976351A (en) * | 2017-11-27 | 2018-05-01 | 大连理工大学 | A kind of ocean gas hydrate core remodeling device and method |
| CN109655373A (en) * | 2018-12-25 | 2019-04-19 | 国家地质实验测试中心 | Gas hydrates reservoir original position property parameter simulation test macro and method |
| CN109655373B (en) * | 2018-12-25 | 2024-05-10 | 国家地质实验测试中心 | Natural gas hydrate reservoir in-situ property parameter simulation test method |
| CN114082370A (en) * | 2021-11-22 | 2022-02-25 | 西南石油大学 | Rotary multiphase flow hydrate generation experimental device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20110305 |